It also gives the home builder a good overview on its house design and guides him all the way through the entire project. So it is imperative to not be rush in making a house plan to ensure that all your requirements are met and to avoid mistakes. Ideally, preparing a house plan should take several weeks and need a lot of discussion with your architect or home builder. Doing this gives you a sense that your hew house is built safe and also assures you its quality and excellence.